This book can be paired up with any other book about MLK Jr. and is basically a place to house the student's research.
Some books suggestions for your students to use to investigate and research MLK Jr. would be:
Last year I used the printable book off of Readinga-z, a subscription site that we use at our school.
This is something easy to use at a center for reading time or as a whole class reading lesson. You can check it out over here.